1893 - Thomas Edison received two U.S. patents. The first was for a "Cut Out for Incandescent Electric Lamps" and another for a "Stop Device" (No. 491,992-3). Also No. 492,150 for "Process of Coating Conductors for Incandescent Lamps."
... of water in their photosynthetic pathway:
CO2 + 2 H2S → CH2O + H2O + 2S
Some of these produce globules of sulfur as a waste product instead of oygen, whil ...